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12211120102100 = 2252405130143471
BaseRepresentation
bin1011000110110001111101…
…1110011101101011010100
31121020101000221210111122012
42301230133132131223110
53100031333221231400
641545413334323352
72400136640200163
oct261543736355324
947211027714565
1012211120102100
113988785a55327
12145271b4b9558
136a767179791a
143030428b53da
1516298c759d35
hexb1b1f79dad4

12211120102100 has 36 divisors (see below), whose sum is σ = 26504672634048. Its totient is φ = 4883242140000.

The previous prime is 12211120102099. The next prime is 12211120102189. The reversal of 12211120102100 is 120102111221.

It is a super-2 number, since 2×122111201021002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14666636 + ... + 15476835.

Almost surely, 212211120102100 is an apocalyptic number.

12211120102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211120102100 is an abundant number, since it is smaller than the sum of its proper divisors (14293552531948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211120102100 is a wasteful number, since it uses less digits than its factorization.

12211120102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30147536 (or 30147529 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12211120102100 its reverse (120102111221), we get a palindrome (12331222213321).

The spelling of 12211120102100 in words is "twelve trillion, two hundred eleven billion, one hundred twenty million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 4051 8102 16204 20255 40510 81020 101275 202550 405100 30143471 60286942 120573884 150717355 301434710 602869420 753586775 1507173550 3014347100 122111201021 244222402042 488444804084 610556005105 1221112010210 2442224020420 3052780025525 6105560051050 12211120102100